1 files changed, 90 insertions, 0 deletions
diff --git a/src/hwdata.c b/src/hwdata.c
new file mode 100644
index 0000000..212e860
--- /dev/null
+++ b/src/hwdata.c
@@ -0,0 +1,90 @@
+#include "hwdata.h"
+#include <errno.h>
+/******************************************************/
+static int parse_event(struct HWData *hw)
+{
+        const struct input_event *ev = hw->event + hw->at++;
+        bool on = ev->value != 0;
+        switch (ev->type) {
+        case EV_SYN:
+                switch (ev->code) {
+                case SYN_REPORT:
+                        return 0;
+                }
+                break;
+        case EV_KEY:
+                switch (ev->code) {
+                case BTN_LEFT:
+                        hw->left = on;
+                        break;
+                case BTN_MIDDLE:
+                        hw->middle = on;
+                        break;
+                case BTN_RIGHT:
+                        hw->right = on;
+                        break;
+                case BTN_MT_REPORT_PACKET:
+                        if (on)
+                                hw->nfinger = 0;
+                        break;
+                case BTN_MT_REPORT_FINGER:
+                        if (!on && hw->nfinger < DIM_FINGER)
+                                hw->nfinger++;
+                        break;
+                }
+                break;
+        case EV_ABS:
+                switch (ev->code) {
+                case ABS_MT_TOUCH_MAJOR:
+                        hw->finger[hw->nfinger].touch_major = ev->value;
+                        break;
+                case ABS_MT_TOUCH_MINOR:
+                        hw->finger[hw->nfinger].touch_minor = ev->value;
+                        break;
+                case ABS_MT_WIDTH_MAJOR:
+                        hw->finger[hw->nfinger].width_major = ev->value;
+                        break;
+                case ABS_MT_WIDTH_MINOR:
+                        hw->finger[hw->nfinger].width_minor = ev->value;
+                        break;
+                case ABS_MT_ORIENTATION:
+                        hw->finger[hw->nfinger].orientation = ev->value;
+                        break;
+                case ABS_MT_POSITION_X:
+                        hw->finger[hw->nfinger].position_x = ev->value;
+                        break;
+                case ABS_MT_POSITION_Y:
+                        hw->finger[hw->nfinger].position_y = ev->value;
+                        break;
+                }
+                break;
+        }
+        return -EAGAIN;
+}
+/******************************************************/
+int read_hwdata(struct HWData *hw, int fd)
+{
+        int n;
+        do {
+                while (hw->at < hw->nev)
+                        if (!parse_event(hw))
+                                return 0;
+                n = read(fd, hw->event, sizeof(hw->event));
+                hw->at = 0;
+                hw->nev = n / sizeof(struct input_event);
+                xf86Msg(X_INFO, "multitouch: read: %d %d\n", n, hw->nev);
+        } while (n > 0);
+        return -EIO;
+};
+/******************************************************/
+void output_hwdata(const struct HWData *hw)
+{
+}
+/******************************************************/

diff --git a/src/hwdata.c b/src/hwdata.c new file mode 100644 index 0000000..212e860 --- /dev/null +++ b/src/hwdata.c
@@ -0,0 +1,90 @@
	1	#include "hwdata.h"
	2	#include <errno.h>
	3
	4	/******************************************************/
	5
	6	static int parse_event(struct HWData *hw)
	7	{
	8	const struct input_event *ev = hw->event + hw->at++;
	9	bool on = ev->value != 0;
	10	switch (ev->type) {
	11	case EV_SYN:
	12	switch (ev->code) {
	13	case SYN_REPORT:
	14	return 0;
	15	}
	16	break;
	17	case EV_KEY:
	18	switch (ev->code) {
	19	case BTN_LEFT:
	20	hw->left = on;
	21	break;
	22	case BTN_MIDDLE:
	23	hw->middle = on;
	24	break;
	25	case BTN_RIGHT:
	26	hw->right = on;
	27	break;
	28	case BTN_MT_REPORT_PACKET:
	29	if (on)
	30	hw->nfinger = 0;
	31	break;
	32	case BTN_MT_REPORT_FINGER:
	33	if (!on && hw->nfinger < DIM_FINGER)
	34	hw->nfinger++;
	35	break;
	36	}
	37	break;
	38	case EV_ABS:
	39	switch (ev->code) {
	40	case ABS_MT_TOUCH_MAJOR:
	41	hw->finger[hw->nfinger].touch_major = ev->value;
	42	break;
	43	case ABS_MT_TOUCH_MINOR:
	44	hw->finger[hw->nfinger].touch_minor = ev->value;
	45	break;
	46	case ABS_MT_WIDTH_MAJOR:
	47	hw->finger[hw->nfinger].width_major = ev->value;
	48	break;
	49	case ABS_MT_WIDTH_MINOR:
	50	hw->finger[hw->nfinger].width_minor = ev->value;
	51	break;
	52	case ABS_MT_ORIENTATION:
	53	hw->finger[hw->nfinger].orientation = ev->value;
	54	break;
	55	case ABS_MT_POSITION_X:
	56	hw->finger[hw->nfinger].position_x = ev->value;
	57	break;
	58	case ABS_MT_POSITION_Y:
	59	hw->finger[hw->nfinger].position_y = ev->value;
	60	break;
	61	}
	62	break;
	63	}
	64	return -EAGAIN;
	65	}
	66
	67	/******************************************************/
	68
	69	int read_hwdata(struct HWData *hw, int fd)
	70	{
	71	int n;
	72	do {
	73	while (hw->at < hw->nev)
	74	if (!parse_event(hw))
	75	return 0;
	76	n = read(fd, hw->event, sizeof(hw->event));
	77	hw->at = 0;
	78	hw->nev = n / sizeof(struct input_event);
	79	xf86Msg(X_INFO, "multitouch: read: %d %d\n", n, hw->nev);
	80	} while (n > 0);
	81	return -EIO;
	82	};
	83
	84	/******************************************************/
	85
	86	void output_hwdata(const struct HWData *hw)
	87	{
	88	}
	89
	90	/******************************************************/